Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

19989487 (number)

19989487 is an odd 8-digits composite number following 19989486 and preceding 19989488. In scientific notation, it is written as 1.9989487 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 17043000 positive integers (up to 19989487) that are relatively prime to 19989487.

Interesting facts

19989487 has 8 divisors, whose sum is 22966272
The reverse of 19989487 is 78498991
Previous prime number is 191

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1

Name

Name	nineteen million nine hundred eighty-nine thousand four hundred eighty-seven

Notation

Scientific notation	1.9989487 × 10^7
Engineering notation	1.9989487 × 10^6

Prime Factorization of 19989487

Prime Factorization 7 × 191 × 14951

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19989487	Product of the distinct prime numbers

The prime factorization of 19989487 is 7 × 191 × 14951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 34, 50, 432, 336, 2187, 9176, 37763, 37263, 918822, 735848, 7029954, 3268891, 59327959, 81873385, 377751782, 860057791, 1682698943, 2316189547

Basic calculations (n = 19989487)

Multiplication

n×y

n×2	39978974
n×3	59968461
n×4	79957948
n×5	99947435

Division

n÷y

n÷2	9994743.5
n÷3	6663162.3333333
n÷3	4997371.75
n÷5	3997897.4

Exponentiation

n^y

n²	399579590523169
n³	7.9873910302282E+21
n⁴	1.5966384916266E+29
n⁵	3.191598437207E+36

Nth Root

^y√n

²√n	4470.9604113658
³√n	271.39419220288
⁴√n	66.865240681282
⁵√n	28.850964059314

Divisors of 19989487

1, 7, 191, 1337, 14951, 104657, 2855641, 19989487

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19989486	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19989487 can be divided by 8 positive divisors. The sum of these divisors (counting 19989487) is 1, the average is 0.125.

Base conversion 19989487

Base	System	Value
2	Binary	1001100010000001111101111
3	Ternary	1101121120102101
4	Quaternary	1030100033233
5	Quinary	20104130422
6	Senary	1552235531
8	Octal	114201757
10	Decimal	19989487
12	Duodecimal	683bba7
16	Hexadecimal	13103ef
20	Vigesimal	64ide7
36	Base36	bwfzj

Cryptographic Hash Functions

md5	f6e0574704f0373c3ac7fc8b91da9bdb
sha1	9437190e2e496d4f74d4f2ae95cbfc83beb7f2be
sha256	8c2710806684b718a6a211880e45e1c83504effe961924ba3e01f7513ef8f26a
sha512	ab1c57d780f44b2c9c54483c701a1367a4af0b9210becfe50958c421c3cb793c049a696923a960f0b4c0db3f1bd296bdb4a6f471932bed12b6c582ec8e2289d5
ripemd-160	b5a7bc282363ad8bf00fe88999438cca9837fce4

19989487 as geometric shapes

Circle

Radius = n

Diameter	39978974
Circumference	125597651.01646
Area	1.255316306112E+15

Sphere

Radius = n

Volume	3.3457505309219E+22
Surface area	5.021265224448E+15
Circumference	125597651.01646

Square

Length = n

Perimeter	79957948
Area	399579590523169
Diagonal	28269403.620281

Cube

Length = n

Surface area	2397477543139014
Volume	7.9873910302282E+21
Space diagonal	34622807.101238

Equilateral Triangle

Length = n

Perimeter	59968461
Area	1.7302303811342E+14
Altitude	17311403.550619

Triangular Pyramid

Length = n

Surface area	1.7302303811342E+14
Volume	9.4132306024383E+20
Height	9423134.5400936